R311-204-2. Underground Storage Tank Closure Plan

  (a) Owners or operators of all underground storage tanks or any portion thereof which are to be permanently closed or undergo change-in-service shall submit a permanent closure plan to the Director. The permanent closure plan shall be submitted by the owner or operator as fulfillment of the 30-day permanent closure notification requirement in accordance with 40 CFR 280 Subpart G.

  (b) If a tank is to be removed as part of corrective action as allowed by 40 CFR 280 Subpart G, the owner or operator is not required to submit a closure plan, but must meet the requirements of 40 CFR 280.66(d) before any removal activity takes place, and must submit a corrective action plan as required by 40 CFR 280.66.

  (c) The closure plan shall address applicable issues involved with permanent closure or change-in-service, including: tank disposal handling and final disposal site, product removal, sludge disposal, vapor purging or inerting, removing or securing and capping product piping, removing vent lines or securing vent lines open, tank cleaning, environmental sampling, contaminated soil and water management, in-place tank disposal or tank removal, transportation of tank, permanent disposal and other disposal activities which may affect human health, human safety or the environment.

  (d) No underground storage tank shall be permanently closed or undergo change-in-service prior to the owner or operator receiving final approval of the submitted permanent tank closure plan by the Director, except as outlined in Subsection R311-204-2(b). Closure plan approval shall be effective for a period of one year. If the underground storage tank has not been permanently closed or undergone change in service as proposed within one year following approval from the Director, the plan must be re-submitted for approval, unless otherwise approved by the Director.

  (e) Permanent closure plans shall be prepared using the current approved form according to guidance furnished by the Director.

  (f) The owner or operator shall ensure that the approved permanent closure plan and approval letter are on site during all closure activities.

  (g) Any deviation from or modification to an approved closure plan must be approved by the Director prior to implementation, and must be submitted in writing to the Director.

  (h) The Director shall be notified at least 72 hours prior to the start of closure activities.